Results: 1 - 4 of 4
Dec 31, 1957
Bulletin
… Cenomanian substage of the Upper Cretaceous. Lithologic sections are … Fort St. John area. The Lower Cretaceous-Upper Cretaceous boundary occurs at a …
Sep 30, 2004
Geo-Note
… ultramafic and Devonian to Late Cretaceous sedimentary rocks to … of middle to Late Cretaceous sedimentary rock, which …
Dec 31, 1955
Report
… Albian substage of the Lower Cretaceous. The calcareous …
Dec 31, 1965
Earth Sciences Report
… central Alberta, mainly in Upper Cretaceous strata. Their wide …